Untitled Page Runat="server" SelectCommand="SELECT * FROM [Customers]" ConnectionString="<%$ ConnectionStrings:AppConnectionString1 %>" DataSourceMode="DataSet" ConflictDetection="CompareAllValues" EnableCaching="True" CacheKeyDependency="SomeKey" CacheDuration="Infinite"> QueryStringField="id" Type="String"> File: Web.config connectionString="Data Source=localhost\SQLEXPRESS;Initial Catalog=Northwind;Integrated Security=True" providerName="System.Data.SqlClient" />